1. Introduktion
The MY4SONS M4 4-Gallon Battery Powered Backpack Sprayer is designed for efficient and versatile application of various liquids in garden, lawn, field, and other maintenance tasks. This manual provides essential information for the safe and effective use, setup, operation, and maintenance of your sprayer.

Image: The MY4SONS M4 4-Gallon Battery Powered Backpack Sprayer, showcasing its design and included accessories.
2. Sikkerhedsoplysninger
Caution: Product contains pressurized chemicals. Do not expose to high temperatures. Ensure proper battery handling and charging. Avoid overpressurization of tank.
Always wear appropriate personal protective equipment (PPE) such as gloves, eye protection, and respiratory masks when handling chemicals and operating the sprayer. Ensure the work area is well-ventilated. Keep the sprayer out of reach of children and pets.
3. Komponenter og funktioner
The MY4SONS M4 Backpack Sprayer is equipped with several key components designed for durability and ease of use:
- 4-Gallon Translucent Tank: Features a wide-mouth opening and screen filter for easy filling and to prevent debris from entering. A watertight neoprene lid seal ensures secure closure.
- Rechargeable Lead Acid Battery: Provides power for up to 150-200 gallons of spray per charge. Includes intuitive indicator lights and a DC charger.
- Durable, Reinforced Hose: Designed to handle high temperatures and pressure.
- Wands: Includes a stainless-steel wand for general tasks and a heavy-duty plastic wand suitable for acid or bleach-based products.
- Dyser: A selection of nozzles, including brass and fog types, allows for customizable spray patterns.
- 80 PSI Automatic Pump: Delivers powerful spray with up to 35 feet of reach.
- XXL Padded Shoulder Straps: Designet til komfort under langvarig brug.
- Wand Pocket Organizer: Convenient storage for the wand when not in use.

Image: Visual representation of the nozzle attachments, thick shoulder straps, 80 PSI pump, and efficient control panel.

Billede: Nærbillede view highlighting the heavy-duty shoulder straps, watertight lid, wand and battery pocket organizers, and the strain relief hose.

Image: The sealed lead acid battery and its dedicated compartment within the sprayer, emphasizing its long charge life.
4. Opsætning
Before first use, ensure all components are securely attached. The sprayer comes largely pre-assembled, but some minor setup may be required.
- Batteriopladning: Fully charge the lead acid battery before initial use. Connect the DC charger to the sprayer's charging port and plug it into a standard electrical outlet. Indicator lights will show charging status.
- Wand and Hose Connection: Attach the desired wand (stainless steel or plastic) to the reinforced hose. Ensure connections are tight to prevent leaks.
- Dysevalg: Choose the appropriate nozzle for your application and securely attach it to the wand.
- Påfyldning af tanken: Unscrew the watertight lid and use the wide-mouth opening to fill the 4-gallon translucent tank with your chosen liquid. The integrated screen filter helps prevent debris from entering the pump system. Securely fasten the lid after filling.
5. Betjeningsvejledning
Operating the MY4SONS M4 sprayer is straightforward, offering customizable spray options for various tasks.
- Tænd: Locate the efficient control panel, typically accessible behind the left arm when worn, and switch the sprayer on.
- Justering af flow: The 80 PSI automatic pump provides consistent pressure. Adjust the flow switch as needed for your application.
- Sprøjtning: Direct the wand towards the target area. The sprayer is suitable for a wide range of applications including pesticides, wood varnish, carpet cleaning, and more.
- Nozzle Customization: Experiment with different nozzles (brass, fog, etc.) to achieve the desired spray pattern, from a fine mist to a solid stream.

Image: A selection of nozzles provided with the sprayer, illustrating different spray patterns like fogging, solid stream, flat fan, mist, and cone spray, along with their recommended uses.

Image: A person wearing the MY4SONS M4 backpack sprayer, demonstrating its use in a vineyard setting, highlighting its portability and ease of application in agricultural environments.

Image: A close-up shot of the sprayer nozzle emitting a fine mist, demonstrating the precision and effectiveness of the spray output.
Official Product Video: Introduction to the M4 Backpack Sprayer
Video: An introductory video provided by the seller, MY4SONS, showcasing the key features and benefits of the M4 backpack sprayer. This video highlights the sprayer's design, components, and ease of use.
6. Vedligeholdelse
Proper maintenance ensures the longevity and optimal performance of your MY4SONS M4 sprayer.
- Rengøring efter brug: After each use, especially when spraying chemicals, thoroughly rinse the tank, hose, and wand with clean water. Run clean water through the pump and nozzle until clear. This prevents chemical buildup and clogs.
- Batteripleje: Always keep the battery charged, even during periods of non-use. This helps maintain battery health and extends its lifespan.
- Opbevaring: Opbevar sprøjten et køligt og tørt sted, væk fra direkte sollys og ekstreme temperaturer. Sørg for, at tanken er tom og ren før opbevaring.
- Inspektion af dyse og slange: Regularly inspect nozzles and hoses for any signs of wear, cracks, or blockages. Replace damaged parts as needed.
7. Fejlfinding
This section addresses common issues you might encounter with your sprayer.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Sprayer not turning on. | Battery is not charged or disconnected. | Ensure battery is fully charged and properly connected. Check power switch. |
| Weak or no spray. | Clogged nozzle, low battery, air in the system, or kinked hose. | Clean the nozzle. Recharge battery. Check for air leaks or kinks in the hose. |
| Lækage fra forbindelser. | Loose connections or worn seals/hoses. | Tighten all connections. Inspect seals and hoses for damage and replace if necessary. |
| Pumpen kører kontinuerligt. | Leak in the system or pressure switch issue. | Check all connections for leaks. If problem persists, contact customer support. |
For issues not listed here or if solutions do not resolve the problem, please refer to the support section.
8. Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | M4 |
| Modelnummer | M41000 |
| Tankvolumen | 4 gallons |
| Strømkilde | Battery Powered (Rechargeable Lead Acid) |
| Maksimalt tryk | 80 PSI |
| Slange længde | 30 fod |
| Varens vægt | 14 pund |
| Produktdimensioner | 18 cm B x 24 cm H |
| Inkluderede komponenter | Multiple Nozzles, Heavy-duty Plastic Wand |
| Oprindelsesland | USA |
9. Garanti og support
MY4SONS is committed to providing high-quality products and excellent customer service.
- Garanti: The MY4SONS M4 Backpack Sprayer comes with a 2-year warranty.
- Service: Customer service is available 12-7 for assistance.
- Udskiftningsdele: Low-cost replacement parts are available directly from the manufacturer.
- Forsendelse: Same-day shipping is often available for parts and products.
For any inquiries, technical support, or to order replacement parts, please visit the official MY4SONS webwebstedet eller kontakt deres kundeservice direkte. Kontaktoplysninger kan typisk findes på produktemballagen eller i mærkets officielle onlinebutik.